fascinator

1. (literal) A fascinating person or thing.Examples: "A more repellent personality would be hard to imagine, and yet Hedda Gabler is one of the eternal fascinators of the world stage."

2. (fashion) A delicate, often frivolous head decoration worn on the hair, primarily by women.Examples: "Westminster Abbey was peppered with everything from neat pillbox hats to netted fascinators."; "Why, for example, was Lady Gaga the first act? Surrounded by pink ostrich feathers and wearing a fascinator that looked like a feather quill atop her head, she put on her best French accent to sing Mon truc en plumes (originally by Zizi Jeanmaire) but it still looked like a scrappy, tacky, riverbank cabaret by an American pop star."; "On a recent night when I visited, a group of girls had taken over an entire section, all of them wearing black fascinators as if attending a funeral. The hostess explained that it was a young woman named Mallory’s “RIP to my 20s” birthday dinner."

3. (dated, US) A type of wool or lace headscarf.USdated